Home / 64,271.27-96,384.33-19,279.22

Finding the Fourth Proportional to 64,271.27, 96,384.33 and 19,279.22

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Solution

The fourth proportional to 64,271.27, 96,384.33 and 19,279.22 is: 28,912.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,271.27 : 96,384.33 = 19,279.22 : x
  2. Step 2: Convert to fraction form
    64,271.27/96,384.33 = 19,279.22/x
  3. Step 3: Cross multiply
    64,271.27x = 96,384.33 × 19,279.22
  4. Step 4: Simplify right side
    64,271.27x = 1,858,214,220.70
  5. Step 5: Solve for x
    x = 1,858,214,220.70/64,271.27
  6. Step 6: Final answer
    x = 28,912.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.